6.6 sec in total
768 ms
5.6 sec
202 ms
Visit ub.vu.nl now to see the best up-to-date Ub Vu content for Netherlands and also check out these interesting facts you probably never knew about ub.vu.nl
De UB is een inspirerende ontmoetingsplek, met alle informatie en kennis voor impact in wetenschap en maatschappij en al het materiaal om mee te leren.
Visit ub.vu.nlWe analyzed Ub.vu.nl page load time and found that the first response time was 768 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ub.vu.nl performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value9.1 s
1/100
25%
Value8.1 s
21/100
10%
Value290 ms
80/100
30%
Value0.004
100/100
15%
Value16.9 s
5/100
10%
768 ms
537 ms
1896 ms
28 ms
571 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 73% of them (27 requests) were addressed to the original Ub.vu.nl, 14% (5 requests) were made to Ubvu.vu.nl and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Ub.vu.nl.
Page size can be reduced by 113.9 kB (18%)
622.9 kB
509.0 kB
In fact, the total size of Ub.vu.nl main page is 622.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 480.3 kB which makes up the majority of the site volume.
Potential reduce by 65.3 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 15.4 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 65.3 kB or 82% of the original size.
Potential reduce by 16.8 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Ub Vu images are well optimized though.
Potential reduce by 28.2 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 28.2 kB or 49% of the original size.
Potential reduce by 3.6 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Ub.vu.nl needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 77% of the original size.
Number of requests can be reduced by 20 (59%)
34
14
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ub Vu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
ub.vu.nl
768 ms
index.aspx
537 ms
static
1896 ms
ga.js
28 ms
theme_ub
571 ms
jquery.cycle.all.min.js
460 ms
ga-searchengines.js
596 ms
ga-links.js
490 ms
colorbox.css
307 ms
jquery.colorbox-min.js
296 ms
info.gif
361 ms
LOGO_eLibrary_small_white.png
383 ms
body_bg.png
285 ms
banner_vragen_df_tcm253-253010.jpg
372 ms
UBVU_NL_socialmedia_tcm253-460185.gif
362 ms
footer_vua_tcm253-14398.gif
327 ms
defaultsprite.png
632 ms
restyle_intranet_arrow.gif
395 ms
logo_tcm253-230766.png
549 ms
general_menu_separator.gif
647 ms
e-collectie_nw_groot_tcm253-246192.jpg
1852 ms
arrow2.gif
606 ms
Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff
73 ms
validationInputBg.png
335 ms
icon_open_subMenu2.png
336 ms
bg_strip_btn_blue.png
334 ms
accordion_down_1.png
679 ms
accordion_down_2.png
946 ms
accordion_down_3.png
1008 ms
__utm.gif
34 ms
border3.png
998 ms
border4.png
863 ms
loading.gif
963 ms
cookie-bar-bg.png
1151 ms
Open_acces_groot_tcm253-246184.JPG
1216 ms
flash_tipUB_2_tcm253-264195.jpg
1831 ms
print.css
265 ms
ub.vu.nl accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
ub.vu.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
ub.vu.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ub.vu.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Ub.vu.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
ub.vu.nl
Open Graph description is not detected on the main page of Ub Vu. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: